CN219963007U

CN219963007U - Elbow assembly and ultrasonic knife

Info

Publication number: CN219963007U
Application number: CN202320904687.6U
Authority: CN
Inventors: 刘青; 高轶明; 李岩
Original assignee: Suzhou Wesent Medical Robot Co Ltd
Current assignee: Suzhou Wesent Medical Robot Co Ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-11-07
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses an elbow component and an ultrasonic knife. The steering seat is sleeved on the flexible hose; the elbow piece rotates to be set up on turning to the seat, and the elbow piece is suitable for being connected with the tool bit subassembly of ultrasonic knife, and the elbow piece is suitable for being connected with the wiring pole of ultrasonic knife through the stay cord to be used for rotating under the pulling of stay cord, in order to drive tool bit subassembly swing. The elbow component of the ultrasonic knife provided by the utility model realizes that the knife head component swings in a certain range along with the elbow component, improves the swinging controllability of the knife head component of the ultrasonic knife, and improves the operation convenience and flexibility of the ultrasonic knife instrument.

Description

Elbow assembly and ultrasonic knife

Technical Field

The utility model relates to the technical field of ultrasonic cutters, in particular to an elbow assembly and an ultrasonic cutter.

Background

The ultrasonic knife, also called ultrasonic cutting hemostatic knife, has the working principle that the piezoelectric ceramic in the transducer converts electric energy into mechanical energy of high-frequency vibration, and the high-frequency mechanical vibration of the knife bar acts on the tissue to solidify the protein of the tissue, so as to achieve the effects of peeling the tissue and closing the blood vessel. Compared with the traditional electrotome, the ultrasonic knife has less damage to tissues, so that the ultrasonic knife is more and more applied to clinic.

The existing ultrasonic knife comprises a clamp rod outer tube, an inner tube body, a knife head and other parts, the knife head of the existing ultrasonic knife can swing, but the swing angle cannot be controlled, the clamp head swing angle of the ultrasonic knife is poor in controllability, the swing amplitude of the clamp head cannot be accurately adjusted, and the ultrasonic knife is poor in operation flexibility and convenience.

Disclosure of Invention

The utility model mainly aims to provide an elbow component and an ultrasonic knife, and aims to improve the controllability of the swing of a knife head component of the ultrasonic knife so as to improve the operation flexibility and convenience of the ultrasonic knife.

To achieve the above object, the present utility model provides an elbow assembly for an ultrasonic blade, the elbow assembly comprising:

a flexible hose;

the steering seat is sleeved on the flexible hose; and

the elbow piece rotates and sets up in on the steering seat, the elbow piece be suitable for with the tool bit subassembly of ultrasonic knife is connected, and the elbow piece be suitable for through the stay cord with the wiring pole of ultrasonic knife is connected, and is used for rotate under the pulling of stay cord, in order to drive the tool bit subassembly swings.

Optionally, the elbow piece comprises a first elbow block and a second elbow block, the first elbow block and the second elbow block are spliced and sleeved on the flexible hose, and a first pipe passing channel for the flexible hose to pass through is formed by surrounding the spliced part of the first elbow block and the second elbow block;

the steering seat is provided with two steering columns, the first elbow block and the second elbow block are respectively provided with steering holes which are rotationally matched with the steering columns, and the first elbow block and the second elbow block are respectively rotationally arranged on the steering seat.

Optionally, a fixing slot hole is formed in the flexible hose, and a protrusion is arranged at a position, corresponding to the fixing slot hole, on the first elbow block and/or the second elbow block, and is clamped in the fixing slot hole.

Optionally, a positioning column is arranged on the first elbow block, a positioning hole is arranged on the second elbow block corresponding to the positioning column, and the positioning column is inserted into the positioning hole.

Optionally, the first elbow block or the second elbow block is suitable for being connected with the outer rod of the tool bit assembly through a connecting pin, and a pin shaft hole for inserting the connecting pin is formed in the first elbow block or the second elbow block.

Optionally, the cross sections of the first elbow block and the second elbow block are trapezoidal or triangular.

Optionally, the elbow assembly further comprises a matching piece, the matching piece is rotatably arranged on the steering seat, and rope holes suitable for the pull ropes to pass through are formed in the matching piece and the steering seat.

Optionally, the matching piece comprises a first matching block and a second matching block, the first matching block and the second matching block are spliced and sleeved on the flexible hose, and a second pipe passing channel for the flexible hose to pass through is formed by surrounding the spliced part of the first matching block and the second matching block;

the steering seat is also provided with two steering columns, the first matching block and the second matching block are respectively provided with a rotating shaft hole which is rotationally matched with the steering columns, and the first matching block and the second matching block are respectively rotationally arranged on the steering seat;

the flexible hose is provided with a limiting slot hole, and a limiting column is arranged at the position, corresponding to the limiting slot hole, on the first matching block and/or the second matching block, and is inserted into the limiting slot hole.

Optionally, the steering seat includes fixed cover and two pairs of supporting shoes, two pairs of the supporting shoes install respectively in fixed cover is located on the flexible hose, fixed cover is located two pairs between the supporting shoes, every pair the supporting shoe is by two the supporting shoe encloses and establishes the concatenation and constitute, all be equipped with on the supporting shoe the steering column.

To achieve the above object, the present utility model also proposes an ultrasonic blade including the elbow assembly as described above, the elbow assembly comprising:

a flexible hose;

the steering seat is sleeved on the flexible hose; and

In the technical scheme of the utility model, the elbow component comprises a flexible hose, a steering seat and an elbow piece, wherein the steering seat is sleeved on the flexible hose, the elbow piece is rotatably arranged on the steering seat, the elbow piece is suitable for being connected with a tool bit component of an ultrasonic knife, and the elbow piece is suitable for being connected with a rope winding rod of the ultrasonic knife through a pull rope and is used for rotating under the pull of the pull rope so as to drive the tool bit component to swing. So, the operator can rotate through manual or automatic control rope winding pole and pull elbow spare and turn to the seat relatively, and elbow spare carries out the elbow action, makes flexible hose bending deformation, makes ultrasonic knife's tool bit subassembly swing simultaneously, and then has realized the tool bit subassembly along with the elbow subassembly swings in a certain limit, has promoted tool bit subassembly wobbling controllability, has improved ultrasonic knife apparatus's operating convenience and flexibility.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an elbow assembly according to one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an elbow assembly and bit assembly connection in accordance with one embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a flexible hose of an elbow assembly according to an embodiment of the present utility model;

FIG. 4 is an internal block diagram of an ultrasonic blade according to one embodiment of the present utility model;

fig. 5 is a schematic structural view of an ultrasonic blade according to an embodiment of the present utility model.

Reference numerals illustrate:

100. an elbow assembly; 200. a cutter head assembly; 300. a base; 400. an instrument bar; 310. a rope winding rod; 301. a pull rope; 10. a flexible hose; 20. a steering seat; 30. a bent piece; 40. a mating member; 31. a first elbow block; 32. a second elbow block; 30a, a first through-pipe passage; 201. a steering column; 30b, steering holes; 10a, fixing slot holes; 311. a protrusion; 312. positioning columns; 32a, positioning holes; 31a, pin shaft holes; 41. a first mating block; 42. a second mating block; 40a, a second through pipe channel; 10b, limiting slotted holes; 411. a limit column; 21. a fixed sleeve; 22. a support block; 11. a sleeve; 12. bending the pipe; 13. a chuck; 14. a push-pull rod; 210. an inner rod; 220. an outer rod.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an elbow assembly which is applicable to an ultrasonic knife and is not limited herein.

Referring to fig. 1 to 5, in an embodiment of the present utility model, the elbow assembly 100 is installed in the front end of the tool shaft 400 of the ultrasonic blade and connected to the tool bit assembly 200, the elbow assembly 100 includes a flexible hose 10, a steering seat 20 and an elbow piece 30, the steering seat 20 is sleeved on the flexible hose 10, the elbow piece 30 is rotatably disposed on the steering seat 20, the elbow piece 30 is adapted to be connected to the tool bit assembly 200 of the ultrasonic blade, and the elbow piece 30 is adapted to be connected to the wire winding shaft 310 of the ultrasonic blade by a pull wire 301 and is adapted to rotate under the pull of the pull wire 301 to drive the tool bit assembly 200 to swing.

In this embodiment, the flexible hose 10 may be made of soft rubber or flexible metal, or a component formed by assembling a hard component and a flexible component, which is not limited herein.

Preferably, referring mainly to fig. 1 to 3, the flexible hose 10 may include a sleeve 11, an elbow 12, a chuck 13 and a push-pull rod 14, wherein the sleeve 11 is sleeved on the elbow 12, one end of the elbow 12 is fixed with the chuck 13, the other end of the elbow 12 is connected with the push-pull rod 14, the chuck 13 is suitable for being clamped and fixed with an inner rod 210 of the tool bit assembly 200, the push-pull rod 14 is connected and fixed with a sliding block in the tool rod 400, and the sliding block can be connected with a reel assembly in the ultrasonic tool base 300 through a rope, so that the sliding block can slide and drive the flexible hose 10 to push or pull the inner rod 210 of the tool bit assembly 200 to move along the axial direction of the tool rod 400 under the driving of the reel assembly, thereby realizing the opening and closing of the tool bit assembly 200. In this way, by arranging the flexible hose 10 to be matched with the elbow piece 30, the flexibility of the ultrasonic knife can be greatly improved, so that the ultrasonic knife has multiple degrees of freedom, and the convenience and the flexibility of operation are further improved.

The steering seat 20 may be a mounting sleeve provided with at least one rotating shaft or a rotating shaft hole, and the mounting sleeve may be a single component formed integrally, or may be an assembly formed by assembling a plurality of components, which is not particularly limited herein.

The elbow 30 may be a tapered frustum, a truncated cone, or the like, or may be a single integrally formed part, or an assembly of multiple parts, not specifically limited herein.

It can be appreciated that according to the utility model, the steering seat 20 is sleeved on the flexible hose 10, the elbow piece 30 is rotatably arranged on the steering seat 20, the elbow piece 30 is suitable for being connected with the tool bit assembly 200 of the ultrasonic tool, the elbow piece 30 is suitable for being connected with the rope winding rod 310 of the ultrasonic tool through the pull rope 301 and is used for rotating under the pull of the pull rope 301 to drive the tool bit assembly 200 to swing, so that an operator can manually or automatically control the rope winding rod 310 to rotate to pull the elbow piece 30 to rotate relative to the steering seat 20, the elbow piece 30 performs elbow action, the flexible hose 10 is bent and deformed, and meanwhile, the tool bit assembly 200 of the ultrasonic tool swings along with the elbow assembly 100 within a certain range, thereby improving the swinging controllability of the tool bit assembly 200 and improving the operation convenience and flexibility of an ultrasonic tool.

In order to further improve the convenience and flexibility of the ultrasonic blade operation and improve the convenience of assembly, referring to fig. 1 and 2, in an embodiment, the elbow piece 30 may include a first elbow block 31 and a second elbow block 32, where the first elbow block 31 and the second elbow block 32 are spliced and sleeved on the flexible hose 10, and a first pipe passage 30a for the flexible hose 10 to pass through is formed around the splice of the first elbow block 31 and the second elbow block 32. The steering seat 20 is provided with two steering columns 201, the first elbow block 31 and the second elbow block 32 are respectively provided with steering holes 30b which are rotationally matched with the steering columns 201, and the first elbow block 31 and the second elbow block 32 are respectively rotationally arranged on the steering seat 20.

In this embodiment, the first elbow block 31 and the second elbow block 32 may have block structures with tapered front ends, and steering holes 30b rotationally matched with the steering column 201 may be disposed at rear ends thereof, that is, the cross sections of the first elbow block 31 and the second elbow block 32 may have tapered shapes such as trapezoid or triangle. The opposite surfaces of the first elbow block 31 and the second elbow block 32 can be concavely provided with wire passing grooves, and the two wire passing grooves are surrounded to form a first pipe passing channel 30a so as to facilitate installation.

It should be noted that, the front end is the end far from the operator, and the rear end is the end near the operator.

Further, referring mainly to fig. 1, a positioning column 312 may be disposed on the first elbow block 31, a positioning hole 32a may be disposed on the second elbow block 32 corresponding to the positioning column 312, and the positioning column 312 is inserted into the positioning hole 32 a. In this way, the first elbow block 31 and the second elbow block 32 can be assembled conveniently.

Referring to fig. 1, in the present embodiment, a fixing slot 10a may be formed on the flexible hose 10, and a protrusion 311 may be disposed on the first elbow block 31 and/or the second elbow block 32 at a position corresponding to the fixing slot 10a, where the protrusion 311 is clamped into the fixing slot 10 a. In this way, the elbow 30 can be conveniently sleeved on the flexible hose 10, and the elbow 30 can be prevented from deviating to influence the swinging stability.

In order to enable the tool bit assembly 200 to swing along with the elbow assembly 100 and ensure the stability of the swing of the tool bit assembly 200, referring to fig. 2, in an embodiment, the first elbow block 31 or the second elbow block 32 is adapted to be connected to the outer rod 220 of the tool bit assembly 200 through a connecting pin, and the first elbow block 31 or the second elbow block 32 is provided with a pin shaft hole 31a for inserting the connecting pin.

Referring to fig. 1-4, in some embodiments, the elbow assembly 100 may further include a mating member 40, where the mating member 40 is rotatably disposed on the steering seat 20, and both the steering seat 20 and the mating member 40 may have a rope hole adapted to pass the rope 301 therethrough.

It can be appreciated that when the pull rope 301 pulls the elbow component 30 to perform the elbow action, the matching component 40 can rotate with respect to the steering seat 20, and the elbow component 30 and the matching component 40 cooperate together to enable the flexible hose 10 to bend correspondingly, and enable the cutter head assembly 200 to swing correspondingly, so that the pull force of the pull rope 301 can be effectively saved, and further the swing of the cutter head assembly 200 can be controlled by a smaller pull force, so that the swing controllability of the elbow assembly 100 is further improved.

Referring mainly to fig. 1 and 2, in an embodiment, the fitting member 40 may include a first fitting block 41 and a second fitting block 42, where the first fitting block 41 and the second fitting block 42 are spliced and sleeved on the flexible hose 10, and a second pipe passing channel 40a for passing the flexible hose 10 is formed around the spliced portion of the first fitting block 41 and the second fitting block 42. The steering seat 20 is further provided with two additional steering columns 201, the first matching block 41 and the second matching block 42 are respectively provided with a rotating shaft hole which is rotationally matched with the steering columns 201, and the first matching block 41 and the second matching block 42 are respectively rotationally arranged on the steering seat 20.

In this embodiment, the flexible hose 10 is provided with a limiting slot 10b, and the position of the first matching block 41 and/or the second matching block 42 corresponding to the limiting slot 10b is provided with a limiting column 411, and the limiting column 411 is inserted into the limiting slot 10 b.

Preferably, the limiting post 411 may be cylindrical, and the limiting slot 10b may be a long strip hole extending along the axial direction of the flexible hose 10, so that the fitting 40 can slightly move along the axial direction of the flexible hose 10 during the movement process, so as to avoid the fitting 40 interfering with the flexible hose 10 and damaging the flexible hose 10.

Based on the above embodiment, further, referring to fig. 1 and 2, the steering seat 20 may include a fixing sleeve 21 and two pairs of support blocks 22, the two pairs of support blocks 22 are respectively installed in the fixing sleeve 21 and sleeved on the flexible hose 10, the fixing sleeve 21 is located between the two pairs of support blocks 22, each pair of support blocks 22 is formed by surrounding and splicing the two support blocks 22, and a steering column 201 is disposed on each support block 22.

In this embodiment, one pair of support blocks 22 is rotatably connected to the first elbow block 31 and the second elbow block 32 of the elbow member 30, respectively, and the other pair of support blocks 22 is rotatably connected to the first mating block 41 and the second mating block 42 of the mating member 40, respectively. This arrangement facilitates increased flexibility in swinging elbow assembly 100 and facilitates production and assembly.

In assembly, as shown in fig. 1, two pairs of support blocks 22 can be assembled into the fixing sleeve 21 in pairs, then the flexible hose 10 is assembled into the inner hole of the fixing sleeve 21, then the first elbow block 31 and the second elbow block 32 are assembled into the steering column 201 of the fixing sleeve 21 and the support block 22 respectively, the fixing slot hole 10a of the flexible hose 10 is aligned with the protrusion 311 of the corresponding part of the elbow 30 for installation, then the first matching block 41 and the second matching block 42 are assembled into the steering column 201 of the fixing sleeve 21 and the corresponding support block 22 respectively, and then the limiting column 411 of the matching piece 40 is buckled into the limiting slot hole 10b of the flexible hose 10.

In this embodiment, the number of the pull ropes 301 may be one, two or more, which is not limited herein.

Referring to fig. 1 to 5, when two pull ropes 301 are used, the middle portion of one pull rope 301 may be tied to the first elbow block 31, then the two sides of the pulled pull rope 301 sequentially pass through the corresponding circular holes on the fixing sleeve 21 and the first matching block 41, then pass through the corresponding rope holes on the sealing pad in the instrument rod 400, then pass through the corresponding wire guide holes of the fixing piece in the tube of the instrument rod 400, finally the two sides of the pull rope 301 respectively pass through the corresponding rope holes of the wire guide, and then are pulled to the two rope winding rods 310 for counterclockwise or clockwise tying.

Correspondingly, the middle part of the other stay 301 can be bound on the second elbow block 32, then the two sides of the led stay 301 sequentially pass through the corresponding round holes on the fixed sleeve 21 and the second matching block 42, then pass through the corresponding rope holes of the sealing gasket, then pass through the corresponding wire guide holes of the pipe fixing piece in the instrument rod 400, finally the two sides of the stay 301 respectively pass through the corresponding rope holes of the wire guide and then are pulled to the two elbow chucks to be bound clockwise or anticlockwise; and then the two rope winding rods 310 are respectively buckled on the two elbow chucks, and the two fixed shafts are respectively pressed into shaft holes corresponding to the two rope winding rods 310 and the elbow chucks, wherein the elbow chucks can be connected with driving devices such as a motor.

In use, rotation of the elbow chucks, either simultaneously or separately, can effect rotation of the elbow assembly 100 within a range of taper, thereby causing the tool bit assembly 200 to oscillate therewith.

Referring to fig. 4 and 5, the present utility model also proposes an ultrasonic blade, which includes an elbow assembly 100, and the specific structure of the elbow assembly 100 refers to the above embodiment, and since the ultrasonic blade according to the present utility model includes all aspects of all embodiments of the elbow assembly 100, at least the same technical effects as those of the elbow assembly 100 are not described herein.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An elbow assembly for use with an ultrasonic blade, the elbow assembly comprising:

a flexible hose;

the steering seat is sleeved on the flexible hose; and

2. The elbow assembly of claim 1, wherein the elbow piece comprises a first elbow block and a second elbow block, the first elbow block and the second elbow block are spliced and sleeved on the flexible hose, and a first pipe passing channel for the flexible hose to pass through is formed around the splice of the first elbow block and the second elbow block;

3. The elbow assembly according to claim 2, wherein the flexible hose is provided with a fixing slot, and the first elbow block and/or the second elbow block are/is provided with a protrusion at a position corresponding to the fixing slot, and the protrusion is clamped into the fixing slot.

4. The elbow assembly of claim 2, wherein the first elbow block is provided with a positioning column, the second elbow block is provided with a positioning hole corresponding to the positioning column, and the positioning column is inserted into the positioning hole.

5. The elbow assembly of claim 2, wherein the first elbow block or the second elbow block is adapted to be connected to the outer stem of the tool bit assembly by a connecting pin, and wherein the first elbow block or the second elbow block is provided with a pin hole into which the connecting pin is inserted.

6. The elbow assembly of claim 2, wherein the first elbow block and the second elbow block each have a trapezoidal or triangular cross-section.

7. The elbow assembly according to any one of claims 2-6, further comprising a mating member rotatably disposed on the steering seat, wherein the mating member and the steering seat are each provided with a cord hole adapted for the cord to pass therethrough.

8. The elbow assembly of claim 7, wherein the mating member comprises a first mating block and a second mating block, the first mating block and the second mating block are spliced and sleeved on the flexible hose, and a second pipe passage for the flexible hose to pass through is formed around the splice of the first mating block and the second mating block;

9. The elbow assembly of claim 8, wherein the steering seat comprises a fixed sleeve and two pairs of support blocks, the two pairs of support blocks are respectively arranged in the fixed sleeve and sleeved on the flexible hose, the fixed sleeve is positioned between the two pairs of support blocks, each pair of support blocks is formed by surrounding and splicing the two support blocks, and the steering column is arranged on each support block.

10. An ultrasonic blade comprising the elbow assembly of any one of claims 1-9.